Satsujin Kippu wa Heart-iro

Satsujin Kippu wa Heart-iro is a gripping detective story centered around a deadly crime that unfolds aboard a moving train. The narrative follows Seiko, a young student who has been enduring relentless bullying at school. Unable to bear the hostile environment any longer, she finds herself temporarily suspended from her classes. Seeking an escape from her daily torment and hoping to find some measure of peace, she decides to travel to Nagasaki, leaving her troubled life behind for what she expects to be a quiet journey. However, her trip takes a dark and unexpected turn when a murder occurs on the train. Suddenly thrust into the center of a dangerous mystery, Seiko finds herself far removed from the ordinary struggles of her school life. Instead of finding solace, she becomes entangled in a tense investigation where every passenger could potentially be a suspect. As the train speeds toward its destination, she must navigate the complexities of this unfolding crime, transforming her journey into a high-stakes puzzle that demands to be solved before the killer can strike again.